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Domesticated turkey bones found in Maya temple

U. FLORIDA (US) — Bones from an ancient Mayan archaeological site show the turkey was domesticated more than 1,000 years earlier than previously believed.

Researchers say discovery of bones in Guatemala provides evidence of domestication, usually a significant mark of civilization, and the earliest evidence of the Mexican turkey in the Maya world.

As reported in the journal PLoS One, the discovery of the turkey bones is significant because the Maya did not often use domesticated animals. While they cultivated domesticated plants, most of their animal protein came mostly from wild resources, says lead author Erin Thornton, a research associate at the Florida Museum of Natural History at the University of Florida and at Trent University Archaeological Research Centre.


This photo of the north face of the Jaguar Paw Temple in the Tigre Complex at El Mirador, Guatemala, shows the east mask, stairway, and upper landing during excavations by Project El Mirador. Most Preclassic turkey bones were associated with this building and a new study shows turkey bones found at this site were a domesticated species from central and northern Mexico dating more than 1,000 years earlier than previously believed. (Credit: Museum of Peoples and Cultures, Brigham Young University)

“We might have gotten the timing of the introduction of this species to the ancient Maya wrong by a significant chunk of time,” Thornton says. “The species originates from central Mexico, outside the Maya cultural area. This is the species the Europeans brought back with them to Europe—all domestic turkeys originated from Mexico.”

Using archaeological evidence, comparisons of bone structure and ancient DNA analysis, scientists determined the turkey fossils belonged to the non-local species Meleagris gallopavo gallopavo, which is native to central and northern Mexico.

The Mexican turkey is the ancestor of all domestic turkeys consumed in the world today and Mesoamerica’s only indigenous domesticated animal. The discovery of the bones south of the turkey’s natural range shows animal exchange occurred from northern Mesoamerica to the Maya cultural region during the Late Preclassic period from 300 B.C. to A.D. 100.

“This research has consequences for understanding Maya subsistence because they would have had access to a controlled, managed resource,” Thornton says. “The turkey bones came from right within the ceremonial precinct of the site, so these are probably the remains of some sort of elite sacrifice, meal, or feast.”

The bones were recovered from the El Mirador archaeological site, one of the largest and most developed Preclassic locations found in the Maya lowlands. The site contains massive temple complexes, some of the largest Maya architecture ever constructed.

“Plant and animal domestication suggests a much more complex relationship between humans and the environment—you’re intentionally modifying it and controlling it,” Thornton says.

Researchers assumed turkey bones previously recovered from Maya sites belonged to the native ocellated turkey, Meleagris ocellata. The new evidence means researchers may need to re-examine previously recovered bones, says Florida State University anthropology professor emeritus Mary Pohl.

“This study is extremely significant and I think it opens up a whole new perspective on the Maya and animal domestication,” Pohl says. “I find it especially interesting that these turkey bones are in this very special pyramid context because people often think of turkeys as something to eat, but they were probably making some sort of special offerings of them, which would go along with the fact that they brought them in from a long distance.”

Florida Museum researchers hope a new grant from the National Science Foundation will help answer some of the questions the study has raised about the history of turkey rearing and domestication in Mesoamerica.

“The turkeys were brought in, they weren’t local, but we don’t know if they were brought in and then killed shortly after, used as a trade item, or bred on-site after an even earlier introduction,” Thornton says. “The El Mirador study is really just a tantalizing piece of the puzzle and we still have a lot left to learn and explore.”

While the fossils were originally excavated in the 1980s, they were displayed in the Brigham Young University Museum of Peoples and Cultures until being sent to Thornton for identification in 2004.

Researchers from the Florida Museum of Natural History, Simon Fraser University, and Brigham Young University co-authored the study.

More news from University of Florida: http://news.ufl.edu/

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